Home / 249,480,212.70-374,220,319.05-103,865,378.70

Finding the Fourth Proportional to 249,480,212.70, 374,220,319.05 and 103,865,378.70

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Solution

The fourth proportional to 249,480,212.70, 374,220,319.05 and 103,865,378.70 is: 155,798,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,480,212.70 : 374,220,319.05 = 103,865,378.70 : x
  2. Step 2: Convert to fraction form
    249,480,212.70/374,220,319.05 = 103,865,378.70/x
  3. Step 3: Cross multiply
    249,480,212.70x = 374,220,319.05 × 103,865,378.70
  4. Step 4: Simplify right side
    249,480,212.70x = 38,868,535,155,363,080
  5. Step 5: Solve for x
    x = 38,868,535,155,363,080/249,480,212.70
  6. Step 6: Final answer
    x = 155,798,068.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.