Home / 70,985,804.32-97,960,475.46-38,390,756.32

Finding the Fourth Proportional to 70,985,804.32, 97,960,475.46 and 38,390,756.32

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Solution

The fourth proportional to 70,985,804.32, 97,960,475.46 and 38,390,756.32 is: 52,979,279.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,985,804.32 : 97,960,475.46 = 38,390,756.32 : x
  2. Step 2: Convert to fraction form
    70,985,804.32/97,960,475.46 = 38,390,756.32/x
  3. Step 3: Cross multiply
    70,985,804.32x = 97,960,475.46 × 38,390,756.32
  4. Step 4: Simplify right side
    70,985,804.32x = 3,760,776,742,376,199.50
  5. Step 5: Solve for x
    x = 3,760,776,742,376,199.50/70,985,804.32
  6. Step 6: Final answer
    x = 52,979,279.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.