Home / 249,318,005.40-373,977,008.10-167,688,667.80

Finding the Fourth Proportional to 249,318,005.40, 373,977,008.10 and 167,688,667.80

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Solution

The fourth proportional to 249,318,005.40, 373,977,008.10 and 167,688,667.80 is: 251,533,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,318,005.40 : 373,977,008.10 = 167,688,667.80 : x
  2. Step 2: Convert to fraction form
    249,318,005.40/373,977,008.10 = 167,688,667.80/x
  3. Step 3: Cross multiply
    249,318,005.40x = 373,977,008.10 × 167,688,667.80
  4. Step 4: Simplify right side
    249,318,005.40x = 62,711,706,276,118,816
  5. Step 5: Solve for x
    x = 62,711,706,276,118,816/249,318,005.40
  6. Step 6: Final answer
    x = 251,533,001.70

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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.