Home / 154,873,638.36-232,316,868.69-45,698,807.32

Finding the Fourth Proportional to 154,873,638.36, 232,316,868.69 and 45,698,807.32

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Solution

The fourth proportional to 154,873,638.36, 232,316,868.69 and 45,698,807.32 is: 68,550,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,873,638.36 : 232,316,868.69 = 45,698,807.32 : x
  2. Step 2: Convert to fraction form
    154,873,638.36/232,316,868.69 = 45,698,807.32/x
  3. Step 3: Cross multiply
    154,873,638.36x = 232,316,868.69 × 45,698,807.32
  4. Step 4: Simplify right side
    154,873,638.36x = 10,616,603,818,402,712
  5. Step 5: Solve for x
    x = 10,616,603,818,402,712/154,873,638.36
  6. Step 6: Final answer
    x = 68,550,102.72

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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.