Home / 124,506,869.20-186,788,297.40-38,249,256.40

Finding the Fourth Proportional to 124,506,869.20, 186,788,297.40 and 38,249,256.40

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Solution

The fourth proportional to 124,506,869.20, 186,788,297.40 and 38,249,256.40 is: 57,382,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,506,869.20 : 186,788,297.40 = 38,249,256.40 : x
  2. Step 2: Convert to fraction form
    124,506,869.20/186,788,297.40 = 38,249,256.40/x
  3. Step 3: Cross multiply
    124,506,869.20x = 186,788,297.40 × 38,249,256.40
  4. Step 4: Simplify right side
    124,506,869.20x = 7,144,513,479,772,053
  5. Step 5: Solve for x
    x = 7,144,513,479,772,053/124,506,869.20
  6. Step 6: Final answer
    x = 57,382,484.40

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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.